Ivyuma bifatanya moteri, bizwi mu buryo busanzwe nk’ibifatanya moteri canke ibirenge vya moteri, ni ibihimba bikomeye bifatanya moteri y’ikinyabiziga n’igiti (canke umubiri). Mu bisanzwe zikozwe mu mipira canke mu bindi bikoresho vy’ivyuma kandi zishobora kuba zirimwo umubiri w’icuma kugira ngo zirushirize gukomera no guhagarara neza. Igikorwa nyamukuru c’ibikoresho bifatanya moteri ni ugufata no guhagarika ukunyiganyiga guterwa n’ugukora kwa moteri, ivyo bikaba bituma ivyo binyiganyiga bidashika ku mubiri w’imodoka, gutyo bikaba bituma umuntu atwara neza kandi akagira umunezero.
